Add download and move for DB attachments

public/scripts/chats.js

@@ -56,8 +56,8 @@ import { ScraperManager } from './scrapers.js';
 const fileSizeLimit = 1024 * 1024 * 100; // 100 MB
 const ATTACHMENT_SOURCE = {
     GLOBAL: 'global',
-    CHAT: 'chat',
     CHARACTER: 'character',
+    CHAT: 'chat',
 };
 
 /**
@@ -670,6 +670,55 @@ async function editAttachment(attachment, source, callback) {
     callback();
 }
 
+/**
+ * Downloads an attachment to the user's device.
+ * @param {FileAttachment} attachment Attachment to download
+ */
+async function downloadAttachment(attachment) {
+    const fileText = attachment.text || (await getFileAttachment(attachment.url));
+    const blob = new Blob([fileText], { type: 'text/plain' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = attachment.name;
+    a.click();
+    URL.revokeObjectURL(url);
+}
+
+/**
+ * Moves a file attachment to a different source.
+ * @param {FileAttachment} attachment Attachment to moves
+ * @param {string} source Source of the attachment
+ * @param {function} callback Success callback
+ * @returns {Promise<void>} A promise that resolves when the attachment is moved.
+ */
+async function moveAttachment(attachment, source, callback) {
+    let selectedTarget = source;
+    const targets = getAvailableTargets();
+    const template = $(await renderExtensionTemplateAsync('attachments', 'move-attachment', { name: attachment.name, targets }));
+    template.find('.moveAttachmentTarget').val(source).on('input', function () {
+        selectedTarget = String($(this).val());
+    });
+
+    const result = await callGenericPopup(template, POPUP_TYPE.CONFIRM, '', { wide: false, large: false, okButton: 'Move', cancelButton: 'Cancel' });
+
+    if (result !== POPUP_RESULT.AFFIRMATIVE) {
+        console.debug('Move attachment cancelled');
+        return;
+    }
+
+    if (selectedTarget === source) {
+        console.debug('Move attachment cancelled: same source and target');
+        return;
+    }
+
+    const content = await getFileAttachment(attachment.url);
+    const file = new File([content], attachment.name, { type: 'text/plain' });
+    await deleteAttachment(attachment, source, () => { }, false);
+    await uploadFileAttachmentToServer(file, selectedTarget);
+    callback();
+}
+
 /**
  * Deletes an attachment from the server and the chat.
  * @param {FileAttachment} attachment Attachment to delete
@@ -765,6 +814,8 @@ async function openAttachmentManager() {
             attachmentTemplate.find('.viewAttachmentButton').on('click', () => openFilePopup(attachment));
             attachmentTemplate.find('.editAttachmentButton').on('click', () => editAttachment(attachment, source, renderAttachments));
             attachmentTemplate.find('.deleteAttachmentButton').on('click', () => deleteAttachment(attachment, source, renderAttachments));
+            attachmentTemplate.find('.downloadAttachmentButton').on('click', () => downloadAttachment(attachment));
+            attachmentTemplate.find('.moveAttachmentButton').on('click', () => moveAttachment(attachment, source, renderAttachments));
             template.find(sources[source]).append(attachmentTemplate);
         }
     }
@@ -882,19 +933,8 @@ async function openAttachmentManager() {
             $(event.target).closest('.dialogue_popup').removeClass('dragover');
 
             const files = Array.from(event.originalEvent.dataTransfer.files);
-            const targets = Object.values(ATTACHMENT_SOURCE);
-
-            const isNotCharacter = this_chid === undefined || selected_group;
-            const isNotInChat = getCurrentChatId() === undefined;
             let selectedTarget = ATTACHMENT_SOURCE.GLOBAL;
-
+            const targets = getAvailableTargets();
-            if (isNotCharacter) {
-                targets.splice(targets.indexOf(ATTACHMENT_SOURCE.CHARACTER), 1);
-            }
-
-            if (isNotInChat) {
-                targets.splice(targets.indexOf(ATTACHMENT_SOURCE.CHAT), 1);
-            }
 
             const targetSelectTemplate = $(await renderExtensionTemplateAsync('attachments', 'files-dropped', { count: files.length, targets: targets }));
             targetSelectTemplate.find('.droppedFilesTarget').on('input', function () {
@@ -950,6 +990,27 @@ async function openAttachmentManager() {
     removeDragAndDrop();
 }
 
+/**
+ * Gets a list of available targets for attachments.
+ * @returns {string[]} List of available targets
+ */
+function getAvailableTargets() {
+    const targets = Object.values(ATTACHMENT_SOURCE);
+
+    const isNotCharacter = this_chid === undefined || selected_group;
+    const isNotInChat = getCurrentChatId() === undefined;
+
+    if (isNotCharacter) {
+        targets.splice(targets.indexOf(ATTACHMENT_SOURCE.CHARACTER), 1);
+    }
+
+    if (isNotInChat) {
+        targets.splice(targets.indexOf(ATTACHMENT_SOURCE.CHAT), 1);
+    }
+
+    return targets;
+}
+
 /**
  * Runs a known scraper on a source and saves the result as an attachment.
  * @param {string} scraperId Id of the scraper

public/scripts/extensions/attachments/files-dropped.html

@@ -1,4 +1,4 @@
-<div class="flex-container justifyCenter alignItemsCenter">
+<div class="flex-container justifyCenter alignItemsBaseline">
     <span>Save <span class="droppedFilesCount">{{count}}</span> file(s) to...</span>
     <select class="droppedFilesTarget">
         {{#each targets}}

public/scripts/extensions/attachments/manager.html

@@ -102,7 +102,9 @@
             <small class="attachmentListItemCreated"></small>
             <small class="attachmentListItemSize"></small>
             <div class="viewAttachmentButton right_menu_button fa-solid fa-magnifying-glass" title="View attachment content"></div>
+            <div class="moveAttachmentButton right_menu_button fa-solid fa-arrows-alt" title="Move attachment"></div>
             <div class="editAttachmentButton right_menu_button fa-solid fa-pencil" title="Edit attachment"></div>
+            <div class="downloadAttachmentButton right_menu_button fa-solid fa-download" title="Download attachment"></div>
             <div class="deleteAttachmentButton right_menu_button fa-solid fa-trash" title="Delete attachment"></div>
         </div>
     </div>

public/scripts/extensions/attachments/move-attachment.html

@@ -0,0 +1,8 @@
+<div class="flex-container justifyCenter alignItemsBaseline">
+    <span>Move <strong class="moveAttachmentName">{{name}}</strong> to...</span>
+    <select class="moveAttachmentTarget">
+        {{#each targets}}
+            <option value="{{this}}">{{this}}</option>
+        {{/each}}
+    </select>
+</div>